参数资料
型号: MAX8934GETI+
厂商: Maxim Integrated Products
文件页数: 7/29页
文件大小: 0K
描述: IC LI BATT CHARGER DUAL 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
系列: *
MAX8934G
Dual-Input Linear Charger, Smart Power Selector
with Advanced Battery Temperature Monitoring
Typical Operating Characteristics (continued)
(T A = +25 N C, circuit of Figure 2, V DC = 6V, V BATT = 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative battery current
indicates charging.)
NORMALIZED CHARGE CURRENT
vs. AMBIENT TEMPERATURE
(LOW IC POWER DISSIPATION)
BATTERY REGULATION VOLTAGE
vs. TEMPERATURE
1.0100
1.0075
1.0050
1.0025
1.0000
0.9975
0.9950
0.9925
V USB = 5V, V BATT = 4V
4.220
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4.180
4.175
0.9900
-40
-15
10
35
60
85
4.170
-40
-15
10
35
60
85
4.8
4.6
4.4
4.2
AMBIENT TEMPERATURE (°C)
SYS OUTPUT VOLTAGE
vs. USB VOLTAGE
V BATT = 4.0V
NO SYS LOAD
4.8
4.6
4.4
4.2
BATTERY VOLTAGE (V)
SYS OUTPUT VOLTAGE
vs. DC VOLTAGE
V BATT = 4.0V
NO SYS LOAD
4.0
0
1
2
3
4
5
6
7
8
4.0
0
2
4
6
8
10
12
14
4.5
USB VOLTAGE (V)
SYS OUTPUT VOLTAGE vs. SYS OUTPUT
CURRENT (USB AND DC DISCONNECTED)
5.5
DC VOLTAGE (V)
SYS OUTPUT VOLTAGE
vs. SYS OUTPUT CURRENT (DC)
4.4
V BATT = 4.0V
4.3
THE SLOPE OF THIS LINE
5.1
4.2
4.1
4.0
SHOWS THAT THE BATT-TO-SYS
RESISTANCE IS 40m I .
4.7
4.3
V DC = 6V
3.9
3.8
3.7
3.9
V BAT = 4V
PEN 1 = 1, PEN2 = X
CEN = 1
V DC = 5V
3.6
0
0.5
1.0
1.5
2.0
3.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Maxim Integrated
SYS OUTPUT CURRENT (A)
SYS CURRENT (A)
7
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